Thompson & Morgan

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Perennial & Biennial Seeds


Biennials live for 2 years, whereas perennials live for longer. As a general rule, biennial and perennial seeds should be sown in spring, but some can be sown in autumn as well. Many varieties will self-seed after flowering, giving you even more plants!



We have found 66 products.
 

Cyclamen 'All-the-year-round Flowering Mixed'

 Customer Rating
A balanced mixture of hardy garden varieties thriving in shade or woodland, chosen from species flowering at most periods of the year. Height: 8-15cm (3-6in).
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    • 1 packet (16 cyclamen seeds)

    • Despatch: Within 1 days
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    • £0.99

Wildflower 'Honey Bee Flower Mixed'

 Customer Rating
A blend of 19 species of nectar and pollen rich annual and perennial wildflowers, which are proven favourites of honey bees in our gardens. Our special selection provides forage over a long season making it an invaluable food source for bees. This colourful wild flower mix is perfect for those gardeners with their own honeybee hives, or those wishing to encourage bees into their gardens. Height: 60cm (24"). Spread: 30cm (12").

1 gram of seed sows an area of approximately 1 square metre.


Useful links:

How to sow wildflower seeds

More info
    • 1 packet (1 gram of wildflower seed)

    • Despatch: Within 1 days
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    • £2.29

Meconopsis cambrica 'Double Mixed'

Welsh Poppy

Welsh Poppy. An exclusive and rare mix of silky pom-pom blooms in orange, red and yellow. The Welsh Poppy is a breezy perennial for dappled shade, blooming from mid-spring right through to autumn. Occasionally an odd single flower may also appear. More info
    • 1 packet (50 meconopsis seeds)

    • Despatch: Within 1 days
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    • £0.99

Echinacea x hybrida 'Magic Box'

Coneflower

One of the most comprehensive mixtures of colours available. Each bloom has been carefully selected and bred by our flower breeders for its stunning form as well as its superior garden performance. The tall colourful flowers look fabulous in borders or in a vase in the house.

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    • 1 packet (30 echinacea seeds)

    • Despatch: Within 1 days
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    • £3.49

Rudbeckia 'All Sorts Mixed'

Coneflower, Black-eyed Susan

Made up from the full range of varieties we offer. Excellent for cutting and border. Most in fact are hardy perennials in temperate climates in all but the severest winter.
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    • 1 packet (170 rudbeckia seeds)

    • Despatch: Within 1 days
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    • £2.99

Pansy 'Mello® 21' F1 Hybrid

Viola x wittrockiana

 Customer Rating

Mello® 21 has twenty one different shades and bicolours from black through to white. The flowers are an excellent size without being too big, smooth, well rounded, firm and upward facing on compact plants, held clear of the small foliage. A true spring, summer and winter flowering bedding or container pansy. Combining both cold hardy and heat tolerant genetic lines, it features formula mixing of seed to ensure as near as possible a balance of all 21 colours.


Culinary note: Some parts of these flowers are edible. The crystallised petals are great decorations for cakes and cookies, or they can be added straight to green salads for an injection of colour. For more details about edible flowers click here.

More info
    • 1 packet (30 pansy seeds)

    • Despatch: Within 1 days
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    • £0.99

Penstemon cobaea 'Wedding Bells'

A first year flowering perennial, Penstemon cobaea 'Wedding Bells' combines some of the best penstemons from T&M's own breeding programme. Satin, bell-shaped flowers in a variety of bright colours and patterns are carried over a particularly long flowering period, above glossy, semi-evergreen foliage. A fantastic alternative to Antirrhinums (snapdragons) in annual bedding schemes, these compact penstemon plants boast large flowers and superb weather resistance. Easy to maintain, these hardy perennials are also attractive to bees. Height: 50cm (18"). Spread: 45cm (18").

Useful links:

Gardening news: Move over marigolds... new bedding plants fly in the face of tradition

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    • 1 packet (50 penstemon seeds)

    • Despatch: Within 1 days
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    • £2.19

Sedum 'Rock Garden Mixed'

Sedum rupestre, Sedum spathulifolium, Sedum album, Sedum aizoon, Sedum reflexum, Stone Orpine, Reflexed Stonecrop, Spoon-leaved Stonecrop, White Stonecrop

Harvest permitting includes: S. reflexion, S. spathulifolium, S. album hybrids, S. aizoon and many others in full foliage and flowering colour range.

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    • 1 packet (300 sedum seeds)

    • Despatch: Within 1 days
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    • £0.99

Echinacea purpurea 'Lustre Hybrids'

Coneflower

A robust, long-lived border plant with superb flowering performance and excellent weather resistance. This very attractive mixture offers shades of pink and red as well as glistening white. Excellent for borders or makes a high quality cut flower. Prefers a light, well-drained soil in full sun. Height 45-60cm (18-24in).
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    • 1 packet (25 echinacea seeds)

    • Despatch:
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    • £0.99
    • Out of stock

Chrysanthemum x koreanum 'Fanfare Improved' F1 Hybrid

Chrysanthemum x grandiflorum, Florist's Chrysanthemum

The cooler it is the earlier it blooms continuing till hard frost. Double pom-pom, 3in flowers on semi-dwarf plants. Magnificent cut flower.


Companion planting: Try growing Chrysanthemums with chives, whose aromatic leaves will deter aphids.


Useful links:

Companion Planting

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    • 1 packet (40 chrysanthemum seeds)

    • Despatch: Within 1 days
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    • £0.99

Centranthus 'Star Ruber Mixed'

Valerian, Red Valerian, Pretty Betsy

A beautiful border plant beloved by bees and butterflies. Mixture contains three colours: rose, white and maroon. Plants are lightly fragrant, long flowering and may also be used as a cut flower.
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    • 1 packet (100 centrantus seeds)

    • Despatch: Within 1 days
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    • £0.99

Gerbera jamesonii 'T&M Mixed' F2 Hybrid

Barberton Daisy, Transvaal Daisy

Fast growing and early to flower, this special T&M blend of large- bloomed gerbera make spectacular house plants. Perfect for the patio in summer and a sunny windowsill or glasshouse during the cooler months, they'll provide months of vibrant colour. The flowers are of the very best quality and make excellent cut flowers. Height: 30-40cm (12-16"). More info
    • 1 packet (30 gerbera seeds)

    • Despatch: Within 1 days
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    • £2.99